body{
	min-width:1000px;
}
.learn-nav {
    background-color: #fff;
}

.learn-nav .pane {
    position: relative;
}

.learn-nav .pane .container-fluid {
    padding-top: 30px;
    padding-bottom: 40px;
}

@media (max-width: 767px) {
    .learn-nav .pane .container-fluid {
        padding-top: 20px;
        padding-bottom: 20px;
    }
}

.learnIcon {
    font-size: 50px;

    color: #333;
}

.learn-nav .title {
    margin-bottom: 30px;

    font-size: 24px;
    font-weight: 300;

    color: #4db3c7;
}

@media (max-width: 767px) {
    .learn-nav .title {
        margin-top: 5px;
        margin-bottom: 25px;
    }
}

.learn-nav .fixed-width-wrapper {
    height: 120px;
    overflow: hidden;
}

@media (max-width: 991px) {
    .learn-nav .fixed-width-wrapper {
        width: -webkit-calc(100% );
        width:    -moz-calc(100%);
        width:     -ms-calc(100%);
        width:      -o-calc(100%);
        width:         calc(100%);
        margin-left: -35px;
    }
}

@media (max-width: 767px) {
    .learn-nav .fixed-width-wrapper {
        width: -webkit-calc(100% + 50px);
        width:    -moz-calc(100% + 50px);
        width:     -ms-calc(100% + 50px);
        width:      -o-calc(100% + 50px);
        width:         calc(100% + 50px);
        margin-left: -25px;
    }
}

.learn-nav .nav-container {
    height: 120px;
    overflow: hidden;
}

.learn-nav .nav-container .help-tile-wrapper-small {
    float: left;
    width: 120px;
    height: 120px;

    font-size: 20px;
    /* Firefox 4 */

    -webkit-transition: width 1s;
       -moz-transition: width 1s;
    /* Safari and Chrome */
         -o-transition: width 1s;
            transition: width 1s;
    letter-spacing: 1px;

    border: 1px solid #ccc;
    border-radius: 4px;
    /* Opera */
}

.learn-nav .nav-container .help-tile-wrapper-small:hover,
.learn-nav .nav-container .help-tile-wrapper-small:focus {
    text-decoration: none;
}

.learn-nav .nav-container .help-tile-wrapper-small .help-tile-title,
.learn-nav .nav-container .help-tile-wrapper-small .help-tile-title {
    -webkit-animation: titleMove 1s;
            animation: titleMove 1s;
}

.learn-nav .nav-container .help-tile-wrapper-small:hover .help-tile-title,
.learn-nav .nav-container .help-tile-wrapper-small:focus .help-tile-title {
    -webkit-animation-timing-function: ease-in-out;
       -moz-animation-timing-function: ease-in-out;
            animation-timing-function: ease-in-out;
}

@keyframes titleMove {
    from {
        left: 0;
    }
    to {
        left: 20px;
    }
}

@-webkit-keyframes titleMove
    /* Safari and Chrome */ {

    from {
        left: 0;
    }
    to {
        left: 20px;
    }
}

.learn-nav .nav-container .help-tile-wrapper-small:not(:last-child) {
    margin-right: 20px;
}

.learn-nav .nav-container .help-tile-wrapper-small .help-tile {
    padding-top: 20px;

    text-align: center;
}

.learn-nav .nav-container .help-tile-wrapper-small .help-tile .help-tile-image {
    display: inline-block;
    width: 70px;
    height: 120px;
    margin: 0 auto;

    background-repeat: no-repeat;
}

.learn-nav .nav-container .help-tile-wrapper-small .help-tile .help-tile-title {
    position: relative;
    top: -22px;

    display: none;

    font-size: 16px;
    font-weight: 500;

    vertical-align: middle;
    white-space: nowrap;
    text-transform: uppercase;

    color: #4db3c7;
}

.learn-nav .nav-container .help-tile-wrapper-small.active {
    position: relative;

    width: -webkit-calc(100% - 760px);
    width:    -moz-calc(100% - 760px);
    width:     -ms-calc(100% - 760px);
    width:      -o-calc(100% - 760px);
    width:         calc(100% - 760px);

    border: 1px solid #4db3c7;
}

.learn-nav .nav-container .help-tile-wrapper-small.active .learnIcon {
    color: #4db3c7;
}

.learn-nav .nav-container .help-tile-wrapper-small.active.visible-title .help-tile-title {
    opacity: 1 !important;
}

.learn-nav .nav-container .help-tile-wrapper-small.active .help-tile {
    padding-top: 20px;
    padding-left: 30px;

    text-align: left;
}

.learn-nav .nav-container .help-tile-wrapper-small.active .help-tile .help-tile-title {
    display: inline-block;
    padding-top: 20px;
    margin-left: 7px;
}

@media (min-width: 992px) {
    .learn-nav .nav-container .help-tile-wrapper-small:first-child {
        margin-left: 40px;
    }
    .learn-nav .nav-container .help-tile-wrapper-small:hover {
        border: 1px solid #4db3c7;
        color: #4db3c7;
    }
    .learn-nav .nav-container .help-tile-wrapper-small:hover .help-tile {
        padding-left: 32px;

        text-align: left;
        
    }
    .learn-nav .nav-container .help-tile-wrapper-small:hover .help-tile .help-tile-title {
        display: inline-block;
    }
    .learn-nav .nav-container .help-tile-wrapper-small:hover .help-tile .help-tile-image .learnIcon {
   	 	color: #4db3c7;
    }
    
}

@media (max-width: 991px) {
    .learn-nav .nav-container .help-tile-wrapper-small:first-child {
        margin-left: 20px;
    }
    .learn-nav .nav-container {
        position: relative;
        top: 0;
        z-index: 1;

        margin-bottom: 50px;
        overflow: hidden;

        background: #fff;
    }
    .learn-nav .nav-container #scroller {
        position: absolute;
        z-index: 1;

        width: -webkit-calc(500% - 205px);
        width:    -moz-calc(500% - 205px);
        width:     -ms-calc(500% - 205px);
        width:      -o-calc(500% - 205px);
        width:         calc(500% - 205px);
        height: 100%;

        -webkit-user-select: none;
           -moz-user-select: none;
            -ms-user-select: none;
                user-select: none;
        -webkit-transform: translateZ(0);
           -moz-transform: translateZ(0);
            -ms-transform: translateZ(0);
             -o-transform: translateZ(0);
                transform: translateZ(0);

        background-color: #fff;

        -webkit-tap-highlight-color: transparent;
        -webkit-text-size-adjust: none;
           -moz-text-size-adjust: none;
            -ms-text-size-adjust: none;
             -o-text-size-adjust: none;
                text-size-adjust: none;
        -webkit-touch-callout: none;
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small {
        width: -webkit-calc(100vw - 850px);
        width:    -moz-calc(100vw - 850px);
        width:     -ms-calc(100vw - 850px);
        width:      -o-calc(100vw - 850px);
        width:         calc(100vw - 850px);
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small .help-tile {
        padding: 16px;

        text-align: left;
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small .help-tile .help-tile-image {
        display: inline-block;
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small .help-tile .help-tile-title {
        display: inline-block !important;
        visibility: visible !important;

        color: #4db3c7;
    }
   /* .learn-nav .nav-container #scroller a.help-tile-wrapper-small:hover,
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small:focus{
    	width: -webkit-calc(100vw - 700px);
        width:    -moz-calc(100vw - 700px);
        width:     -ms-calc(100vw - 700px);
        width:      -o-calc(100vw - 700px);
        width:         calc(100vw - 700px);
        border: 1px solid #4db3c7;
        color: #4db3c7;
    }*/
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small:hover .help-tile-image .learnIcon,
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small:focus .help-tile-image .learnIcon{
    	color: #4db3c7;
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small.active {
        width: -webkit-calc(100vw - 700px);
        width:    -moz-calc(100vw - 700px);
        width:     -ms-calc(100vw - 700px);
        width:      -o-calc(100vw - 700px);
        width:         calc(100vw - 700px);
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small.active .help-tile .help-tile-title {
        color: #4db3c7;
    }
    .learn-nav .nav-container #scroller a.help-tile-wrapper-small:first-child {
        margin-left: 20px;
    }
}

.list-unstyled:first-child {
    margin-top: 26px;
}

.list-unstyled>li>a{
	overflow:hidden;
	text-overflow:ellipsis;
	display:inline-block;
	  cursor:pointer;
}

.titleLi {
    /*height: 20px;*/
    padding-left: 20px;
    margin-top: 10px;

    font-size: 16px;

    text-align: left;
}

.list-unstyled > .active {
    /*height: 40px;*/
    padding-left: 40px;
    margin-top: 10px;

    font-size: 16px;

    text-align: left;
}

.list-unstyled > .active > a {
	overflow:hidden;
	display:inline-block;
	text-overflow:ellipsis;
    font-size: 16px;

    text-decoration: none;

    color: #4db3c7;
    cursor:pointer;
}

.secondTitle {
    width: 100px;

    text-align: center;

    background-color: #fff;
}

#secondUl {
    border-bottom: 1px solid #e2e3e7;
}

#secondUl > .active {
    color: #4db3c7;
    background-color: #fff;
}

#content .nav-pills > li.active > a,
#content .nav-pills > li.active > a:hover,
#content .nav-pills > li.active > a:focus {
    top: 1px;

    font-size: 22px;
    font-weight: normal;

    letter-spacing: 2px;

    color: #4db3c7;
    border-bottom: 1px solid #4db3c7;
    border-radius: 0;
    background-color: #fff;
}

#content .nav-pills > li > a {
    top: 1px;

    font-size: 22px;
    font-weight: normal;

    letter-spacing: 2px;

    color: #4a494a;
    border-bottom: 1px solid #e2e3e7;
    border-radius: 0;
    background-color: #fff;
}
pre{
	border:0;
}
#secondUl {
    margin: 0 60px;
}

.titleLi > a {
    font-size: 16px;

    -webkit-transition-delay: .1s;
       -moz-transition-delay: .1s;
         -o-transition-delay: .1s;
            transition-delay: .1s;
    -webkit-transition-timing-function: ease-out;
       -moz-transition-timing-function: ease-out;
         -o-transition-timing-function: ease-out;
            transition-timing-function: ease-out;
    -webkit-transition-duration: 1s;
       -moz-transition-duration: 1s;
         -o-transition-duration: 1s;
            transition-duration: 1s;
    -webkit-transition-property: padding-left;
       -moz-transition-property: padding-left;
         -o-transition-property: padding-left;
            transition-property: padding-left;
    text-decoration: none;
    text-overflow:ellipsis;

    color: #9b9a9b;
}

#leftMenu > li.active {
    padding-left: 50px;

    font-size: 18px;
    font-weight: 500;
    padding-right:10px;
}
#videoImg{
	cursor: pointer;
}
#videoIframe{
	display:none;
}
#noVideo,#noPartVideo{
	display:none;
}
/*loading css*/
#loading {
        background-color: #000;
        height: 100%;
        width: 100%;
        position: absolute;
        z-index: 1;
        margin-top: 0px;
        top: 0px;
        display:none;
}
    
#loading-center {
        width: 100%;
        height: 100%;
        position: relative;
}
    
#loading-center-absolute {
        position: absolute;
        left: 50%;
        top: 50%;
        height: 50px;
        width: 150px;
        margin-top: -25px;
        margin-left: -75px;
}
    
.object {
        width: 8px;
        height: 50px;
        margin-right: 5px;
        background-color: #FFF;
        -webkit-animation: animate 1s infinite;
        animation: animate 1s infinite;
        float: left;
}
    
.object:last-child {
        margin-right: 0px;
}
    
.object:nth-child(10) {
        -webkit-animation-delay: 0.9s;
        animation-delay: 0.9s;
}
    
.object:nth-child(9) {
        -webkit-animation-delay: 0.8s;
        animation-delay: 0.8s;
}
    
.object:nth-child(8) {
        -webkit-animation-delay: 0.7s;
        animation-delay: 0.7s;
}
    
.object:nth-child(7) {
        -webkit-animation-delay: 0.6s;
        animation-delay: 0.6s;
}
    
.object:nth-child(6) {
        -webkit-animation-delay: 0.5s;
        animation-delay: 0.5s;
}
    
.object:nth-child(5) {
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
}
    
.object:nth-child(4) {
        -webkit-animation-delay: 0.3s;
        animation-delay: 0.3s;
}
    
.object:nth-child(3) {
        -webkit-animation-delay: 0.2s;
        animation-delay: 0.2s;
}
    
.object:nth-child(2) {
        -webkit-animation-delay: 0.1s;
        animation-delay: 0.1s;
}
    
@-webkit-keyframes animate {
        50% {
            -ms-transform: scaleY(0);
            -webkit-transform: scaleY(0);
            transform: scaleY(0);
        }
}
    
@keyframes animate {
        50% {
            -ms-transform: scaleY(0);
            -webkit-transform: scaleY(0);
            transform: scaleY(0);
        }
}

/*mathJax style*/
	
.MathJax_Hover_Frame {
        border-radius: .25em;
        -webkit-border-radius: .25em;
        -moz-border-radius: .25em;
        -khtml-border-radius: .25em;
        box-shadow: 0px 0px 15px #83A;
        -webkit-box-shadow: 0px 0px 15px #83A;
        -moz-box-shadow: 0px 0px 15px #83A;
        -khtml-box-shadow: 0px 0px 15px #83A;
        border: 1px solid #A6D ! important;
        display: inline-block;
        position: absolute
    }
    
    .MathJax_Hover_Arrow {
        position: absolute;
        width: 15px;
        height: 11px;
        cursor: pointer
    }
    #MathJax_About {
        position: fixed;
        left: 50%;
        width: auto;
        text-align: center;
        border: 3px outset;
        padding: 1em 2em;
        background-color: #DDDDDD;
        color: black;
        cursor: default;
        font-family: message-box;
        font-size: 120%;
        font-style: normal;
        text-indent: 0;
        text-transform: none;
        line-height: normal;
        letter-spacing: normal;
        word-spacing: normal;
        word-wrap: normal;
        white-space: nowrap;
        float: none;
        z-index: 201;
        border-radius: 15px;
        -webkit-border-radius: 15px;
        -moz-border-radius: 15px;
        -khtml-border-radius: 15px;
        box-shadow: 0px 10px 20px #808080;
        -webkit-box-shadow: 0px 10px 20px #808080;
        -moz-box-shadow: 0px 10px 20px #808080;
        -khtml-box-shadow: 0px 10px 20px #808080;
        filter: progid: DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')
    }
    
    .MathJax_Menu {
        position: absolute;
        background-color: white;
        color: black;
        width: auto;
        padding: 2px;
        border: 1px solid #CCCCCC;
        margin: 0;
        cursor: default;
        font: menu;
        text-align: left;
        text-indent: 0;
        text-transform: none;
        line-height: normal;
        letter-spacing: normal;
        word-spacing: normal;
        word-wrap: normal;
        white-space: nowrap;
        float: none;
        z-index: 201;
        box-shadow: 0px 10px 20px #808080;
        -webkit-box-shadow: 0px 10px 20px #808080;
        -moz-box-shadow: 0px 10px 20px #808080;
        -khtml-box-shadow: 0px 10px 20px #808080;
        filter: progid: DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')
    }
    
    .MathJax_MenuItem {
        padding: 2px 2em;
        background: transparent
    }
    
    .MathJax_MenuArrow {
        position: absolute;
        right: .5em;
        color: #666666
    }
    
    .MathJax_MenuActive .MathJax_MenuArrow {
        color: white
    }
    
    .MathJax_MenuCheck {
        position: absolute;
        left: .7em
    }
    
    .MathJax_MenuRadioCheck {
        position: absolute;
        left: 1em
    }
    
    .MathJax_MenuLabel {
        padding: 2px 2em 4px 1.33em;
        font-style: italic
    }
    
    .MathJax_MenuRule {
        border-top: 1px solid #CCCCCC;
        margin: 4px 1px 0px
    }
    
    .MathJax_MenuDisabled {
        color: GrayText
    }
    
    .MathJax_MenuActive {
        background-color: Highlight;
        color: HighlightText
    }
    
    .MathJax_Menu_Close {
        position: absolute;
        width: 31px;
        height: 31px;
        top: -15px;
        left: -15px
    }
    #MathJax_Zoom {
        position: absolute;
        background-color: #F0F0F0;
        overflow: auto;
        display: block;
        z-index: 301;
        padding: .5em;
        border: 1px solid black;
        margin: 0;
        font-weight: normal;
        font-style: normal;
        text-align: left;
        text-indent: 0;
        text-transform: none;
        line-height: normal;
        letter-spacing: normal;
        word-spacing: normal;
        word-wrap: normal;
        white-space: nowrap;
        float: none;
        box-shadow: 5px 5px 15px #AAAAAA;
        -webkit-box-shadow: 5px 5px 15px #AAAAAA;
        -moz-box-shadow: 5px 5px 15px #AAAAAA;
        -khtml-box-shadow: 5px 5px 15px #AAAAAA;
        filter: progid: DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')
    }
    
    #MathJax_ZoomOverlay {
        position: absolute;
        left: 0;
        top: 0;
        z-index: 300;
        display: inline-block;
        width: 100%;
        height: 100%;
        border: 0;
        padding: 0;
        margin: 0;
        background-color: white;
        opacity: 0;
        filter: alpha(opacity=0)
    }
    
    #MathJax_ZoomFrame {
        position: relative;
        display: inline-block;
        height: 0;
        width: 0
    }
    
    #MathJax_ZoomEventTrap {
        position: absolute;
        left: 0;
        top: 0;
        z-index: 302;
        display: inline-block;
        border: 0;
        padding: 0;
        margin: 0;
        background-color: white;
        opacity: 0;
        filter: alpha(opacity=0)
    }
    .MathJax_Preview {
        color: #888
    }
    
    #MathJax_Message {
        position: fixed;
        left: 1em;
        bottom: 1.5em;
        background-color: #E6E6E6;
        border: 1px solid #959595;
        margin: 0px;
        padding: 2px 8px;
        z-index: 102;
        color: black;
        font-size: 80%;
        width: auto;
        white-space: nowrap
    }
    
    #MathJax_MSIE_Frame {
        position: absolute;
        top: 0;
        left: 0;
        width: 0px;
        z-index: 101;
        border: 0px;
        margin: 0px;
        padding: 0px
    }
    
    .MathJax_Error {
        color: #CC0000;
        font-style: italic
    }
    .MathJax_SVG_Display {
        text-align: center;
        margin: 1em 0em;
        position: relative;
        display: block;
        width: 100%
    }
    
    #MathJax_SVG_Tooltip {
        background-color: InfoBackground;
        color: InfoText;
        border: 1px solid black;
        box-shadow: 2px 2px 5px #AAAAAA;
        -webkit-box-shadow: 2px 2px 5px #AAAAAA;
        -moz-box-shadow: 2px 2px 5px #AAAAAA;
        -khtml-box-shadow: 2px 2px 5px #AAAAAA;
        padding: 3px 4px;
        z-index: 401;
        position: absolute;
        left: 0;
        top: 0;
        width: auto;
        height: auto;
        display: none
    }
    
    .MathJax_SVG {
        display: inline;
        font-style: normal;
        font-weight: normal;
        line-height: normal;
        font-size: 100%;
        font-size-adjust: none;
        text-indent: 0;
        text-align: left;
        text-transform: none;
        letter-spacing: normal;
        word-spacing: normal;
        word-wrap: normal;
        white-space: nowrap;
        float: none;
        direction: ltr;
        border: 0;
        padding: 0;
        margin: 0
    }
    
    .MathJax_SVG * {
        transition: none;
        -webkit-transition: none;
        -moz-transition: none;
        -ms-transition: none;
        -o-transition: none
    }
    
    .mjx-svg-href {
        fill: blue;
        stroke: blue
    }
    
    .MathJax_SVG_Processing {
        visibility: hidden;
        position: absolute;
        top: 0;
        left: 0;
        width: 0;
        height: 0;
        overflow: hidden;
        display: block
    }
    
    .MathJax_SVG_Processed {
        display: none!important
    }
    
    .MathJax_SVG_ExBox {
        display: block;
        overflow: hidden;
        width: 1px;
        height: 60ex
    }
    
    .MathJax_SVG .noError {
        vertical-align: ;
        font-size: 90%;
        text-align: left;
        color: black;
        padding: 1px 3px;
        border: 1px solid
    }
.back-to-top {
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display:none;
    background-color:#4db3c7;
    color:#fff;
    z-index:1000;
}
	.fixMenu{
	position:fixed;
	top:40px;
	}

	.fixMenu> ul>li>a:active{
	overflow:hidden;
	text-overflow:ellipsis;
	white-space:nowrap;
	width:90%;
	}
	.fixMenu> ul>li>a{
	overflow:hidden;
	text-overflow:ellipsis;
	white-space:nowrap;
	width:80%;
	}
	.firstMenu{
	border-color:#4db3c7 !important;
	color:#4db3c7;
	}
	.firstMenu .help-tile .help-tile-image .learnIcon {
    color: #4db3c7;
	}


